cp's OEIS Frontend

This is a front-end for the Online Encyclopedia of Integer Sequences, made by Christian Perfect. The idea is to provide OEIS entries in non-ancient HTML, and then to think about how they're presented visually. The source code is on GitHub.

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A309073 Split the sequence A247476 into nonempty chunks of minimal length such that for d = 1..9, the number of terms with leading digit d is even; a(n) is the length of the n-th chunk.

Original entry on oeis.org

26, 6, 6, 76, 14, 12, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 712, 38, 280, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6
Offset: 1

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Author

Rémy Sigrist, Jul 10 2019

Keywords

Comments

This sequence corresponds to the first difference of A309063.

Examples

			See illustration of first terms in Links section.
		

Crossrefs

Formula

a(n) = A309063(n+1) - A309063(n).
a(n) = A055642(A309072(n)).
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